технические науки

техническая литература

Raj Pandya, international expert in Universal Personal Telecommunications (UPT), guides you through the past, present, and future of mobile and personal communication systems. Telecommunications professionals and students will find a comprehensive discussion of mobile telephone, data, and multimedia services, and how the evolution toward next-generation systems will shape tomorrow s mobile communications industry. A broad systems overview combined with carefully selected technical details give you a clear understanding of the basic technology, architecture, and applications associated with mobile communications. You ll learn valuable information on numbering, identities, and performance benchmarks to help you plan and design mobile systems and networks. A timely discussion of underlying regional and international standards will keep you informed of the influences at work in the industry today. You ll also gain essential insights into the future direction of mobile and personal communications from an in-depth analysis of: * International Mobile Telecommunications 2000 (IMT-2000) * Global Mobile Satellite Systems * Universal Personal Telecommunications * Mobile Data Communications * The outlook for GSM, IS-136, and IS-95. MOBILE AND PERSONAL COMMUNICATION SERVICES AND SYSTEMS is indispensable reading for anyone who wants to understand what lies ahead for this rapidly evolving technology.

детские стихи

сборники стихотворений

книги для дошкольников

веселые стихи

развитие познавательных способностей

Mobile and Personal Communication Systems and Services

Wireless Local Loop (WLL) is now widely recognized as an economically viable technology for provision of telecommunication services to subscribers in sparsely populated as well as highly congested areas. However, the preparation of the business case, choice of a suitable technology, deployment planning, and radio and network system design for a WLL system depend on a range of technical and strategic planning variables. The scope of the book includes a systems-level coverage of the following topics: Introduction to WLL systems Fundamentals of Radio Systems Key cellular and cordless technologies WLL systems design – system components and interfaces WLL systems design – radio aspects Planning and deployment of WLL systems Examples of commercially available WLL systems Broadband applications and services